1 #ifndef USER32_H 2 #define USER32_H 1 3 4 /* IA32 compatible user structures for ptrace. These should be used for 32bit coredumps too. */ 5 6 struct user_i387_ia32_struct { 7 u32 cwd; 8 u32 swd; 9 u32 twd; 10 u32 fip; 11 u32 fcs; 12 u32 foo; 13 u32 fos; 14 u32 st_space[20]; /* 8*10 bytes for each FP-reg = 80 bytes */ 15 }; 16 17 /* FSAVE frame with extensions */ 18 struct user32_fxsr_struct { 19 unsigned short cwd; 20 unsigned short swd; 21 unsigned short twd; /* not compatible to 64bit twd */ 22 unsigned short fop; 23 int fip; 24 int fcs; 25 int foo; 26 int fos; 27 int mxcsr; 28 int reserved; 29 int st_space[32]; /* 8*16 bytes for each FP-reg = 128 bytes */ 30 int xmm_space[32]; /* 8*16 bytes for each XMM-reg = 128 bytes */ 31 int padding[56]; 32 }; 33 34 struct user_regs_struct32 { 35 __u32 ebx, ecx, edx, esi, edi, ebp, eax; 36 unsigned short ds, __ds, es, __es; 37 unsigned short fs, __fs, gs, __gs; 38 __u32 orig_eax, eip; 39 unsigned short cs, __cs; 40 __u32 eflags, esp; 41 unsigned short ss, __ss; 42 }; 43 44 struct user32 { 45 struct user_regs_struct32 regs; /* Where the registers are actually stored */ 46 int u_fpvalid; /* True if math co-processor being used. */ 47 /* for this mess. Not yet used. */ 48 struct user_i387_ia32_struct i387; /* Math Co-processor registers. */ 49 /* The rest of this junk is to help gdb figure out what goes where */ 50 __u32 u_tsize; /* Text segment size (pages). */ 51 __u32 u_dsize; /* Data segment size (pages). */ 52 __u32 u_ssize; /* Stack segment size (pages). */ 53 __u32 start_code; /* Starting virtual address of text. */ 54 __u32 start_stack; /* Starting virtual address of stack area. 55 This is actually the bottom of the stack, 56 the top of the stack is always found in the 57 esp register. */ 58 __u32 signal; /* Signal that caused the core dump. */ 59 int reserved; /* No __u32er used */ 60 __u32 u_ar0; /* Used by gdb to help find the values for */ 61 /* the registers. */ 62 __u32 u_fpstate; /* Math Co-processor pointer. */ 63 __u32 magic; /* To uniquely identify a core file */ 64 char u_comm[32]; /* User command that was responsible */ 65 int u_debugreg[8]; 66 }; 67 68 69 #endif 70